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<body class="application application-offset">
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          <div class="mt-5">
            <h5 class="mb-0 text-white">黑马前端</h5>
            <span class="d-block text-sm text-white opacity-8 mb-3">数据可视化</span>
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              <span class="btn-inner--text">学前端来黑马</span>
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          <span class="btn-inner--icon d-block pt-2">学生</span>
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          <span class="btn-inner--icon d-block pt-2">设置</span>
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      <!-- Misc area -->
      <div class="card bg-gradient-warning">
        <div class="card-body">
          <h5 class="text-white">哈喽, 朋友!</h5>
          <p class="text-white mb-4">为什么不现在开始学习前端，创造一些令人惊叹的东西呢？</p>
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              <!-- Home  -->
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                <a class="nav-link pl-lg-0" href="./index.html"> 首页 </a>
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                <a class="nav-link pl-lg-0" href="./index.html"> 传智教育 </a>
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              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 黑马程序员 </a>
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            <!-- Right menu -->
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                      <span class="mb-0 text-sm font-weight-bold">Admin</span>
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                <a class="nav-link pl-lg-0" id="logout" href="javascript:;"> 退出 </a>
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      <div class="page-content">
        <div class="page-title mb-3">
          <div class="row justify-content-between align-items-center">
            <div class="col-md-6 mb-3 mb-md-0">
              <h5 class="h3 font-weight-400 mb-0 text-white">Students</h5>
              <span class="text-sm text-white opacity-8">一共有 <b class="total">0</b> 位学员</span>
            </div>
            <div class="col-md-6 d-flex align-items-center justify-content-between justify-content-md-end">
              <a id="openModal" href="javascript:;" class="btn btn-sm btn-white btn-icon-only rounded-circle ml-4">
                <span class="btn-inner--icon"><i class="bi bi-plus bi-2x"></i></span>
              </a>
            </div>
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        </div>
        <div class="row">
          <div class="col">
            <div class="card card-fluid">
              <div class="table-responsive" style="min-height: 1000px">
                <table class="table align-items-center">
                  <thead>
                    <tr>
                      <th>姓名</th>
                      <th>年龄</th>
                      <th>性别</th>
                      <th>组号</th>
                      <th>期望薪资</th>
                      <th>就业薪资</th>
                      <th>籍贯</th>
                      <th>操作</th>
                    </tr>
                  </thead>
                  <tbody class="list">
                    <!-- <tr>
                      <td>张杰</td>
                      <td>20</td>
                      <td>男</td>
                      <td>第2组</td>
                      <td>10000</td>
                      <td>13000</td>
                      <td>北京北京市东城区</td>
                      <td>
                        <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
                        <a href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>
                      </td>
                    </tr> -->
                  </tbody>
                </table>
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              <p class="text-sm mb-0">© 2022 <a href="https://itcast.cn" class="h6 text-sm" target="_blank">前端学科</a>.
                All rights reserved.</p>
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              <ul class="nav justify-content-center justify-content-md-end">
                <li class="nav-item">
                  <a class="nav-link" href="#">Support</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link" href="#">Terms</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pr-0" href="#">Privacy</a>
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  <!-- add Modal -->
  <div class="modal fade" id="modal">
    <div class="modal-dialog modal-lg">
      <div class="modal-content">
        <div class="modal-header">
          <h5 class="modal-title">添加/编辑学员</h5>
          <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
        </div>
        <div class="modal-body">
          <form id="form" class="g-3 row" autocomplete="off" novalidate>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">姓名：</label>
                <input type="text" name="name" class="form-control" placeholder="请输入姓名" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">性别：</label>
                <div class="input">
                  <div class="form-check d-inline-block">
                    <input value="0" checked id="cb01" class="form-check-input" type="radio" name="gender" />
                    <label for="cb01" class="form-check-label">男</label>
                  </div>
                  <div class="form-check d-inline-block">
                    <input value="1" id="cb02" class="form-check-input" type="radio" name="gender" />
                    <label for="cb02" class="form-check-label">女</label>
                  </div>
                </div>
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">年龄：</label>
                <input type="text" name="age" class="form-control" placeholder="请输入年龄" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">组号：</label>
                <input type="text" name="group" class="form-control" placeholder="请输入1-8组号" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">期望薪资：</label>
                <input type="text" name="hope_salary" class="form-control" placeholder="请输入期望薪资" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">就业薪资：</label>
                <input type="text" name="salary" class="form-control" placeholder="请输入就业薪资" />
              </div>
            </div>
            <div class="col-sm-12">
              <div class="form-group">
                <label class="input-group-label">籍贯：</label>
                <div class="input pl-0">
                  <select class="form-select custom-select" name="province">
                    <option value="">--省份--</option>
                  </select>
                  <select class="form-select custom-select" name="city">
                    <option value="">--城市--</option>
                  </select>
                  <select class="form-select custom-select" name="area">
                    <option value="">--地区--</option>
                  </select>
                </div>
              </div>
            </div>
          </form>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
          <button type="button" class="btn btn-blue" id="submit">确认</button>
        </div>
      </div>
    </div>
  </div>
  <script src="./bootstrap/bootstrap.min.js"></script>
  <script src="./lib/axios.js"></script>
  <script src="./lib/form-serialize.js"></script>
  <script src="./js/common.js"></script>
  <script>
    /*-------------------------    封装数组，渲染页面    ------------------------*/
    renderList()
    async function renderList() {
      const { data: res } = await axios({ url: '/students' })
      const str = res.map(e => {
        const { name, age, gender, group, hope_salary, salary, province, city, area, id } = e
        return `<tr>
                  <td>${name}</td>
                  <td>${age}</td>
                  <td>${gender === 0 ? '男' : '女'}</td>
                  <td>第${group}组</td>
                  <td>${hope_salary}</td>
                  <td>${salary}</td>
                  <td>${province}${city}${area}</td>
                  <td data-id="${id}">
                    <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
                    <a href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>
                  </td>
                </tr>`
      }).join('')
      document.querySelector('tbody').innerHTML = str
    }

    /*-------------------------    点击增加    ------------------------*/

    const modalBox = document.querySelector('#modal')
    const modalObj = new bootstrap.Modal(modalBox)

    document.querySelector('#openModal').addEventListener('click', function () {
      modalObj.show()
      document.querySelector('.modal-title').innerHTML = '添加学员'
      document.querySelector('form').reset()
      modalBox.dataset.id = 'add'
    })

    /*-------------------------    省市区联动    ------------------------*/
    //获取盒子
    const province = document.querySelector('[name=province]')
    const city = document.querySelector('[name=city]')
    const area = document.querySelector('[name=area]')

    initProvince()
    async function initProvince() {
      const { data: pArr } = await axios({ url: '/api/province' })
      const pStr = pArr.map(e => {
        return `<option value="${e}">${e}</option>`
      }).join('')
      province.innerHTML = '<option value="">--省份--</option>' + pStr
    }

    province.addEventListener('change', async function () {
      const { data: cArr } = await axios({
        url: '/api/city',
        params: {
          pname: province.value
        }
      })
      const cStr = cArr.map(e => {
        return `<option value="${e}">${e}</option>`
      }).join('')
      city.innerHTML = '<option value="">--城市--</option>' + cStr
      area.innerHTML = '<option value="">--县区--</option>'
    })

    city.addEventListener('change', async function () {
      const { data: aArr } = await axios({
        url: '/api/city',
        params: {
          pname: province.value,
          cname: city.value
        }
      })
      const aStr = aArr.map(e => {
        return `<option value="${e}">${e}</option>`
      }).join('')
      area.innerHTML = '<option value="">--县区--</option>' + aStr
    })

    /*-------------------------    点击确定添加成功    ------------------------*/

    const btn = document.querySelector('#submit')
    btn.addEventListener('click', async function () {
      const data = serialize(document.querySelector('form'), { hash: true, empty: true })
      data.age = +data.age
      data.gender = +data.gender
      data.group = +data.group
      data.hope_salary = +data.hope_salary
      data.salary = +data.salary
      console.log(data);

      if (modalBox.dataset.id === 'add') {
        try {
          await axios({
            url: '/students',
            method: 'post',
            data
          })
          alert('添加成功')
          renderList()
          modalObj.hide()
        } catch (error) {
          alert('添加失败！')
        }
      } else {
        try {
          await axios({
            url: `/students/${modalBox.dataset.id}`,
            method: 'put',
            data
          })
          renderList()
          modalObj.hide()
        } catch (error) {
          alert('修改失败！')
        }
      }
    })

    /*-------------------------    点击删除    ------------------------*/
    document.querySelector('tbody').addEventListener('click', async function (e) {
      if (!e.target.classList.contains('bi-trash')) {
        return
      }
      const id = e.target.parentNode.parentNode.dataset.id
      try {
        await axios({
          url: `/students/${id}`,
          method: 'delete'
        })
        renderList()
      } catch (error) {
        alert('删除失败')
      }

    })

    /*-------------------------    点击编辑    ------------------------*/

    document.querySelector('tbody').addEventListener('click', async function (e) {
      if (!e.target.classList.contains('bi-pen')) {
        return
      }
      modalObj.show()
      document.querySelector('.modal-title').innerHTML = '编辑学员'
      const id = e.target.parentNode.parentNode.dataset.id
      modalBox.dataset.id = id
      console.log(id);
      const { data: userInfo } = await axios({ url: `/students/${id}` })
      console.log(userInfo);
      const ipts = [...document.querySelectorAll('form [name]')]
      ipts.map(e => {
        const k = e.name
        console.log(k, e);
        if (k === 'gender') {
          document.querySelector(`input[value='${userInfo.gender}']`).checked = true
        } else {
          e.value = userInfo[k]
        }
      })

      /*****************解决：获取用户所在省下面的城市，渲染，再设置value ********************/

      const { data: cArr } = await axios({
        url: '/api/city',
        params: {
          pname: userInfo.province
        }
      })
      // 渲染
      const cStr = cArr.map(item => {
        return `<option value="${item}">${item}</option>`
      }).join('')
      city.innerHTML = '<option value="">--城市--</option>' + cStr
      // 再给城市下拉列表，重新设置value
      city.value = userInfo.city

      const { data: aArr } = await axios({
        url: '/api/area',
        params: {
          pname: userInfo.province,
          cname: city.value
        }
      })
      console.log(aArr);
      const aStr = aArr.map(item => {
        return `<option value="${item}">${item}</option>`
      }).join('')

      area.innerHTML = '<option value="">--区县--</option>' + aStr
      area.value = userInfo.area
    })



  </script>
</body>

</html>